$2\cos\left(x\right)+2=1$
$1x^2+8x+16$
$5z^3+3y+7z^3-y-z^3$
$\frac{x^2y^{-3}}{x^2y^{-10}}$
$\int\sqrt{-x^2+24}dx$
$5\left(x-7\right)^2$
$\frac{x^4+3x^3+3x^2+2x+1}{x+1}$
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